Battery type: Li-MnO2 Capacity: 2000 mAh Voltage: 3 V Energy: 6 Wh Number of cells: 1 Dimensions (L x W x H): 4.5 x 1.8 x 1.7 cm Weight: 25 g Compatible with the following device models: GE Fanuc CNC 16i GE Fanuc 32i-A GE Fanuc 31i GE Fanuc 30i GE Fanuc 20i-B GE Fanuc 20i-A GE Fanuc 18i GE Fanuc 21i-B GE Fanuc 21i-A GE Fanuc 21i To ensure compatibility, please check to see whether the non-rechargeable battery you are currently using is listed below.